Filter canister for outdoor ponds



FIG. 1 is a perspective view of a filter canister for outdoor ponds showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a filter canister for outdoor ponds, as shown and described. 